+ myShadingBackFaceProp(vtkProperty::New()),
+
+ myAppendFilter(vtkAppendPolyData::New(),true),
+ // Use mapper as an instance of GEOM_PainterPolyDataMapper class
+ // to prevent drawing of mappers' content (due to an empty definition
+ // of GEOM_PainterPolyDataMapper::RenderPiece(...)).
+ // !!! Presentation of GEOM_Actor is drawing only with help of actors
+ // defined in this class !!!
+ myPolyDataMapper(GEOM_PainterPolyDataMapper::New(),true)